Research Assistant, University of Maryland, Astronomy Program, 1974-1976.
Research Associate, Laboratory of Astronomy, Department of Physics, University of Athens, 1977-1978.
Teaching/research associate, Laboratory of Astrophysics, Department of Physics, University of Athens, 1978-1982.
Lecturer, Section of Astrophysics Astronomy and Mechanics, Department of Physics, University of Athens, 1982-1986.
Assistant professor, Section of Astrophysics Astronomy and Mechanics, Department of Physics, University of Athens, 1986-1994.
Professor of Astronomy and Astrophysics, Section of Astro-geophysics, Department of Physics, University of Ioannina, 1994-.
4. Visits and visiting positions abroad
Aide Astronome, Observatoire du Pic Du Midi, July-October 1979.
Research Associate, University of Maryland, Astronomy Program, August-October 1980; May-June 1981.
Astronome Adjoint, Observatoire de Paris, Meudon, August-September 1981; September 1983; September 1989.
Visiting professor, University of Florence, October 1993.
Astronome, Observatoire de Paris, Meudon: September 1991, February 1995, January –April 2012.
Main Astronomical Observatory (Pulkovo), USSR/Russia: several visits, most recent May–June 2012 and August 2014.
Institute of Solar Terrestrial Physics, Irkutsk, USSR/Russia: several visits, most recent June 15-July 2012
Institute of Applied Physics, Nizhny Novgorod, Russia, June 2012
5. Membership in Scientific Societies
American Astronomical Society (from 1975).
Society of Greek Physicists (from 1978). Member of the editorial board of the society journal (Review of Physics), 1979-1981, 1984-1986.
International Astronomical Union (from 1979). Member of the Organizing Committee of Commission 10 (Solar Activity), 1985-1988.
Société Française d’Astronomie et d’Astrophysique (from 1986).
Solar Physics Section, European Physical Society. Member of the board (1994-1999)
Member of the Greek National Committee for Astronomy, 1994-1999
National representative of Greece to the board of JOSO (Joint Organization for Solar Observations), 1995-2000
Community of European Solar Radio Astronomers (CESRA). Member of the board 1996-2000
6. Research interests
Structure of the solar chromosphere and corona (observations and models)
Radio emission from active regions, flares and the quiet sun (observations, physical mechanisms and models).
Solar magnetic fields.
Plasma flows in active regions and the quiet sun.
For an almost complete list see ADS link. To see citations click on the ADS page “Select All records” and then “Get citation lists for selected articles”
8. Invited Reviews, working groups, summer schools
Gyrosynchrotron Emission of Solar Flares in the CESRA workshop on Radio Continua during Solar Flares"; Duino (Trieste), May 1985.
The sun as a star, First Greek symposium on Solar and Space Physics, Athens, May 1988.
Results of Radio Observations, in the Joint Symposium Systematic observations of the Sun, XXth General Assembly of the International Astronomical Union; Baltimore, August 1988.
Multi-wavelength observations of solar active regions, 25th Birthday Symposium, Astronomy Program; University of Maryland, June 1989.
Study of the solar corona at metric wavelengths based on observations with the Nançay Radioheliograph in the Symposium Space and Ground Based Observations of the Solar Corona, Leningrad, April 1991.
Radio Observations of the Quiet Solar Corona, in the Symposium The Structure and Physical Conditions of the Quiet Solar Corona, 29th Plenary Meeting of COSPAR; Washington D.C., August 1992.
The Solar atmosphere, Second Greek Symposium on Solar and Space Physics, Xanthi, April 1993.
Role of the Magnetic Field in Controlling the Corona, in the Symposium Advances in Solar Physics, of the European Physical Society; Catania, May 1993.
Emissions from Solar Flares and Radio Emission from Solar Active Regions in the International Summer School on Space Plasma Physics; Nizhny Novgorod, Russia, June 1993.
Radio-Optical Relationships in Active Regions in the 26th Meeting of JOSO (Joint Organization for Solar Observations), Trieste, Italy, October 1994.
Group co-leader, ``Solar Flares'', in the Solar Radio Telescope Workshop, San Juan Capistrano (USA), April 1995.
Magnetic Field of the Solar Corona, in the 2nd International Summer School on Space Plasma Physics, Nizhny Novgorod, Russia, June 1995.
Group co-leader, The Quiet Sun and Coronal Heating, in the CESRA workshop Coronal Physics from Radio And Space Observations; Nouan-le-Fuzelier (France), June 1996
Plasma Flows in Solar Active Regions; Third Volga International Summer School on Space Plasma Physics; Nizhny Novgorod, Russia, June 1997.
Group co-leader, The Quiet Sun and Coronal Heating, in the CESRA workshop Coronal Explosive Events; Espoo, Finland, June 1998.
Magnetic Field Diagnostics in the Low Corona from Microwave Circular Polarization Inversion, Symposium Solar Physics with Radio Observations; Nobeyama, Japan, October 1998.
Group co-leader, CESRA workshop Energy Storage and Release through the Solar Activity Cycle, La Roch-en-Ardenne, Belgium, June 2010
Two lectures in the CESRA summer school Solar Radio Physics, Nançay, France, September 2010
Group co-leader, CESRA workshop New Eyes Looking at Solar Activity, Prague, June 2013
9. Participation in Conference Organizing Committees
Solar and Space Research in Greece, Athens, September 1988. Member of the SOC.
CESRA meeting Fragmentation of Energy Release in Space, Ouranoupolis, June 1991. Member of the LOC.
Second Greek Symposium on Solar and Space Physics, Xanthi, April 1993. Member of the SOC.
8th European Meeting on Solar Physics, Halkidiki, May 1996. SOC and LOC co-chair.
2nd Advances in Solar Physics Euroconference: Three Dimensional Structure of Solar Active Regions, Preveza, October 1997. SOC co-chair, LOC chair.
Solar Jets and Coronal Plumes, Guadeloupe, February 1997. Member of the SOC.
IAU symposium 257 Universal Heliophysical Processes, Ioannina, September 2008. Member of the SOC and the LOC.
10. Conference Proceedings
Solar and Heliospheric Plasma Physics, G. M. Simnett, C. E. Alissandrakis, L. Vlahos (eds), (Proceedings, Halkidiki, Greece 1996), Lecture Notes in Physics, 489, Springer,1997.
Three Dimensional Structure of Solar Active Regions, C. E. Alissandrakis, B. Schmieder (eds), (Proceedings, Preveza, Greece 1997), Astronomical Society of the Pacific Conference Series, 1998.
Introduction to Astrophysics
Mathematical Methods of Physics
Philosophy of Physics
13. Supervision of Doctoral Dissertations
D. Dialetis: A Study of flows in Chromospheric Sunspot Regions (Evershed Effect), Athens 1984 (with P. Mein)
Th. Zachariadis: Study of the Fine Structure of Solar Active Regions, Ioannina 1984 (with G. Banos)
P. Preka-Papadema: Microwave Emission from Flaring Loops in the Low Corona, Athens 1985
G. Tsiropoula: Ly-alpha emission from Solar Atmospheric Structures, Athens 1985 (with P. Gouttebroze)
A. Hilaris: Dynamic Evolution of Electron Beams with Application to Solar Metric Radio Bursts, Athens 1991
A. Georgakilas: Plasma Flows under the Influence of the Magnetic Field in Solar Active Regions, Athens 1991
A. Nindos: Microwave Emission from Solar Active Regions, Athens 1996
14. Lecture notes and books
Plasma Physics (lecture notes in Greek), Athens, 1993
Solar Physics (lecture notes in Greek), Ioannina, 1998
Observational Astrophysics (with A. Nindos, lecture notes in Greek), Ioannina, 2001
Introduction to Astrophysics (lecture notes in Greek), Ioannina, 2010
Introduction to Astrophysics (textbook in Greek), Papazissis Publ., Athens 2014
Three e-books in preparation (in Greek): Solar and Space Physics, (with A. Nindos and S. Patsourakos); Observational Astrophysics (with A. Nindos and S. Patsourakos); The Galaxy, Galaxies and Cosmology (with A. Nindos)
15. Political Activity
Member of the Central Committee of the Communist Party of Greece, 1991-2008
Member of the European Parliament, 1999-2004 (for a list of activities click here)
Member of the Hellenic Parliament, 2007-2009 (for a list of activities click here)